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H W HAYDEN LampBurner and Chimney.

Patented Mar. 30,1880.

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lm/ i LPETERS, PHOTO-LITHOGRAPHER. WASHINGTON. D. C.

UNITED STATES PATENT OFFICE.

HIRAM W. HAYDEN, OF WATERBURY, CONNECTICUT, ASSIGNOR TO HOLMES, BOOTH & HAYDENS, OF SAME PLACE.

LAIVIP BURNER AND CHIMNEY.

SPECIFICATION forming part of Letters Patent No. 225,929, dated March 30, 1880.

Application led July 7, 1879.

To all whom it may concern:

Be it known that I, HIRAM W. HAYDEN, of Waterbury, in the State of Connecticut, have invented an Improvement in Lamps, of which the following is a specication.

Lamp-burners have been made with a wicktube guide, to which the upper part of the burner was connected, so that it could be removed from the wick-tube or replaced thereon. The wick-tube has also been made so as to pass a broad wick through the reservoir-collar in a bent or folded condition. Chimneys have also been made with a flattened bulb and circular base,and also with an elliptical base and bulb, and burners have been made with an elliptical chimneyholder, and also With an oblong chimney-holder and defiector.

The object of my present invention is to ren der the action of the air more uniform on the flattened flame than heretofore, and to provide for the heat and expansion of the burner and chimney being nearly uniform throughout, and at the same time the parts of the burner can be separated with facility for lighting or cleaning, and when the chimney-holder and chimney are removed they will stand rmly 011 their flat base.

In the drawings, Figure l is a vertical section of the lamp burner and chimney complete. Fig. 2 is a plan at the line x .r ofthe chimney. Fig. 3 is a plan of the chimney-holder and deflector, and Fig. 4L is an inverted plan of the screw-hase of the burner and the wick-tube. Fig. 5 is a vertical section at right angles to Fig. 1, without the chimney.

The screw-base c of the burner is of usual character, except that the opening for the lower end of the wicktube b is not straight, but it is curved into an elliptical form, the lower end of the said wick-tube corresponding thereto, but the upper end of the said wicktube is straight.

The wick-raising Wheels c occupy the concave side of the wick-tube and their teeth pass through slots in the side ofthe Wick-tube. The ratchet-cap d covers the wick-raisers, and the perforations at l l in the sides of the base c and 2 2 in the top of the ratchet-cap allow a circulation of air through the base of the burner, to keep the same cool. This Wick-tube allows of the use of a broad wick with a small collar, because it is in a curved form where it passes through the screw-collar.

The wick-tube guide j' is made cylindrical at its lower end to rest upon the ratchet-cap d, and the sides are inclined toward its upper end, so as to be wedge-shaped and come up around the wick-tube at its upper end. There are, however, air-openings between the top edges of the wick-tube guide and the wicktube, so that the light may not be extinguished by placing the guide over the wick-tube or by removing it. The lugs 4 on the ratchet-cap enter the notches in the bottom part of the .wick-tube guide, to prevent injury to the wiektube in screwing the burner to the fountain.

The foraminous air-distributer It extends from the base of the wick-tube guide to the bottom of the chimney-holder la. Said chimney-holder is not round, square, oblong, or formed with hooks, as have heretofore been used, but it is an ellipse, so that its ends are nearly the same distance from the edges of the wick that the sides of the elliptical chimneyholder are from the sides of the wick, whereby there is a uniformity in the air-spaces around the wick, and each part of the chimney-holder is nearly the same distance from the flame, so as to equalize the temperature and the action of the air. This chimney-holder is has a clamping-screw, l2, or similar fastening for the chimney.

Thebottom partof the air-distributer around the wick-tube guide is fiat and elliptical, of a size approximating to that of the elliptical chimney-holder, to form a base on which the parts rest when removed, and from this at portion the airdistributer curves upward and outward to the chimney-holder.

The deectorl is of an elliptical form at the base; but the same is smaller than the chimney-holder, so as to allow the chimney to rest upon the flat flange 3 of the deilector, and this flange is perforated to allow a current of air to pass between the delector and the chimney.

The deflector is an elliptical dome in its shape, with a flame-slot running along the top in the direction of the greatest length of the deflector, and the slot is widened at 14 14 at each side of the central portion, the object of roo this being to prevent the current of air from acting too powerfully at each side of the center of the fla-me, and thereby rendering it a blue color.

rlhe chimney has an elliptical base that passes into the chimney-holder, and the bulb of the chimney is Widest in the same direction as the Haine spreads, and the sides of the chimney are contracted so as to be concave at 5 5, as seen in Fig. 2, and the top of the chimney is elliptical and of about the same size as the base of the deflector. In practice I nd that a chimney of this shape operates more satisfactorily than the bulbs with straight, flat, or convex sides, because the flame is rendered nearly uniform in thickness and brilliancy, and it is rounded at the top edge, so as not to smoke, and is of nearly uniform brilliancy throughout.

I am Well aware that the elementary featuresA of my burner have been in existence before. I have combined together devices that form a new and superior burner. So, also, of the chimney. Different portions thereof resemble other chimneys; but no chimney has before 25 been made having all the peculiarities set forth. Hence said chimney is novel, and it possesses special features of utility, as described.

I claim as my invention- 3o l. The lamp-chimney having an elliptical base and a bulb the sides of which are flattened and concave, as at 5 5, as and for the purposes specified.

2. The combination, in a lamp-burner, of a 3 5 Wick-tube, a Wick-raiser, aratohet-cap, awickn tube guide, a foraminous air-distributer, that is united to the wick-tube guide and forms an elliptical base that is iat, and then extends upward to the chimney-holder, an elliptical de- 4o Hector, and an elliptical chimney-holder, substantially as set forth.

Signed by me this 30th day of June, 1879.

H. W. HAYDEN.

Witnesses:

EDWARD F. COLE, E. L. HAYDEN. 

